Social division on the lines of caste is unique to India.
Because--> caste system has its root in India since ancient time since during the Mughal period and British Raj the caste system in India leds to many violence in India because this system was based on the discrimination among the people on the basis of their caste.
whereas the other options such as the gender division economic division and religious division can be seen in many countries.

Introduction:
India is a diverse country with a rich cultural heritage, and it is known for its unique social divisions. Among these divisions, the caste division is particularly unique to India. This division is deeply entrenched in Indian society and has a significant impact on various aspects of people's lives.

Caste Division in India:
The caste system in India is a hierarchical social structure that categorizes individuals into different groups based on their birth. It is believed to have originated around 1500 BCE and has been a prominent feature of Indian society ever since. The caste system is characterized by the following key points:

1. Hierarchical Structure: The caste system is based on a hierarchical structure, with four main varnas or social classes. These are Brahmins (priests and scholars), Kshatriyas (warriors and rulers), Vaishyas (merchants and farmers), and Shudras (laborers and servants). Each varna is further divided into numerous sub-castes or jatis.

2. Occupational Specialization: Each caste is traditionally associated with a specific occupation or profession. For example, Brahmins are expected to engage in intellectual and religious pursuits, while Vaishyas are involved in trade and commerce. This occupational specialization is often hereditary, with individuals inheriting their caste and occupation from their parents.

3. Endogamy: The caste system promotes endogamy, which means that individuals are expected to marry within their own caste. Marrying outside one's caste is considered taboo and can result in social ostracization.

4. Discrimination and Stigma: The caste system perpetuates discrimination and stigma against lower castes, particularly the Dalits (formerly known as "untouchables"). Historically, Dalits were subjected to severe social and economic oppression, including restrictions on accessing education, employment, and public spaces.

5. Reservation Policy: To address historical injustices and promote social equality, the Indian government has implemented a reservation policy that provides affirmative action for Scheduled Castes (SCs), Scheduled Tribes (STs), and Other Backward Classes (OBCs). This policy allocates a certain percentage of government jobs, educational opportunities, and political representation to these marginalized groups.

Conclusion:
The caste division in India is a unique social division that shapes the lives of individuals and communities. It is deeply ingrained in Indian society and has both positive and negative implications. While efforts have been made to address caste-based discrimination and promote social equality, the caste system continues to influence social interactions, economic opportunities, and political dynamics in India.